A Blueprint for Modern Men

The
Retention
Blueprint

Five ancient disciplines. One integrated system. Meditation, semen retention, exercise, carnivore nutrition, and intermittent fasting — built to compound.

Read on Amazon ↗ Available on Kindle · $2.99

*As an Amazon Associate, I earn from qualifying purchases.

The Retention Blueprint book cover by Sebastian Caine — a practical guide for modern men covering semen retention, meditation, carnivore diet, intermittent fasting and exercise

The Five Pillars

Every practice you need
to rebuild from the ground up.

01
Meditation
tap to learn more
Meditation

Train the mind that makes every other discipline possible. The foundation everything else is built on.

02
Semen Retention
tap to learn more
Semen Retention

Elevate testosterone, restore dopamine sensitivity, and accumulate vital energy. The generator at the center of the system.

03
Exercise
tap to learn more
Exercise

The primal outlet for retained energy. Heavy lifts, sprint intervals, and recovery frameworks built to last.

04
Carnivore Diet
tap to learn more
Carnivore Diet

Saturated fat and cholesterol build testosterone. Animal protein builds muscle. Organ meats provide the rest.

05
Intermittent Fasting
tap to learn more
Intermittent Fasting

The temporal dimension. Activate autophagy, surge growth hormone, and amplify the entire system.

Inside the Book

Concrete answers.
No fluff.

The neuroscience of semen retention — testosterone, dopamine, prolactin, and how retention rewires the brain
How to cultivate relentless drive and redirect sexual energy into creative and physical output
Why saturated fat and cholesterol are the direct precursors to testosterone — and why low-fat diets destroy hormonal health
Step-by-step meditation exercises including breath awareness, box breathing, and the transmutation practice that redirects sexual energy upward
Complete resistance training framework — squats, deadlifts, presses, and sprint protocols with progressive targets
The autophagy mechanism — how fasting activates cellular renewal and why it is the most powerful anti-aging protocol available
Why the five practices multiply rather than add — and how to structure your day so they compound together
The historical evidence — from Spartan agoge to Taoist sexual cultivation to the dietary patterns of the Maasai warriors

"Most men are living at 60% of their potential — not because they lack discipline, but because they've never been given an accurate map."

— The Retention Blueprint

Sebastian Caine — Author of The Retention Blueprint

About the Author

Sebastian Caine

Sebastian Caine is an independent researcher and writer focused on the intersection of ancestral health, hormonal optimization, and masculine performance. After years of personal research and direct application of the practices described in this book, he assembled The Retention Blueprint — the complete system he wished had existed at the beginning of his own journey. He writes and publishes under the SyncedBiology brand, where he continues to explore the science and history of human optimization for the modern man.

Available Now on Amazon Kindle

Ready to become
the optimized version
of yourself?

Everything you need is in this book. The only variable is whether you are willing to start.

Get The Retention Blueprint on Amazon ↗

As an Amazon Associate, I earn from qualifying purchases. · Kindle edition available